98 lines
3.6 KiB
Plaintext
98 lines
3.6 KiB
Plaintext
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obj
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isxfs: "isxfs"
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var
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long filestuff[isxfs#SIZEOFFILESTUFF / 4]
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pub Open( pFilename, mode )
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return isxfs.Open( @filestuff, pFilename, mode )
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pub Close
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isxfs.Close( @filestuff )
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pub Read( ptr, n )
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return isxfs.Read( @filestuff, ptr, n )
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pub Write( ptr, n )
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return isxfs.Write( @filestuff, ptr, n )
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pub Length
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{{
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Only valid for files opened for reading.
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}}
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return long[@filestuff]
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pub Execute( mode )
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isxfs.Execute( @filestuff, mode )
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isxfs.Close( @filestuff ) ' we only get here if Execute fails for some reason.
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pub ReadString( p, MAXLENGTH ) | ch
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repeat MAXLENGTH + 1
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ch := ReadByte
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ifnot byte[p++] := ch
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return
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abort string("ReadString: string too long")
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pub ReadStringUpperCase( p, MAXLENGTH ) | ch
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repeat MAXLENGTH + 1
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ch := ReadByte
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if "a" =< ch and ch =< "z"
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ch -= constant("a" - "A")
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ifnot byte[p++] := ch
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return
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abort string("ReadStringUpperCase: string too long")
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pub WriteString( p )
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Write( p, strsize(p) + 1 )
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pub ReadNumber | ch
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repeat
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ifnot ch := ReadByte
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return
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if ch < "0" or ch > "9"
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abort string("ReadNumber: non-numeric character")
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result := result * 10 + ch - "0"
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pub ReadByte : ch
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Read( @ch, 1 )
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pub WriteByte( b )
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Write( @b, 1 )
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pub ReadWord
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return ReadByte + (ReadByte << 8)
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pub WriteWord( w )
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Write( @w, 2 )
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pub ReadLong
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return ReadByte + (ReadByte << 8) + (ReadByte << 16) + (ReadByte << 24)
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pub WriteLong( l )
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Write( @l, 4 )
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pub SkipBytes( n )
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repeat while n => 32768
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Read( $8000, 32768 )
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n -= 32768
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Read( $8000, n )
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{{
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Copyright (c) 2009 Michael Park
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+------------------------------------------------------------------------------------------------------------------------------+
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| TERMS OF USE: MIT License |
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+------------------------------------------------------------------------------------------------------------------------------+
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|Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation |
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|files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, |
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|modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software|
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|is furnished to do so, subject to the following conditions: |
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|The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.|
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|THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE |
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|WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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|COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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|ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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+------------------------------------------------------------------------------------------------------------------------------+
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}}
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